1. An integrative approach to the case study of Hailey at the start of the chapter
A) would focus on how maternal postpartum depression factors combine with peer social stressors in triggering 
depression.
B) would focus on how genetic factors interact with atypical synthesis of neurotransmitters to produce depression.
C) would infer biological, psychological and social factors from Hailey's developmental history and describe how these 
factors have interacted over time to produce depression.
D) would infer multiple biological and social factors from Hailey's history and then describe how these factors have 
dynamically and reciprocally interacted over time.
E) would look at Hailey's history of thoughts, feelings and behaviours and integrate these in an account of how and when 
her depression